Home / 3,693.30-5,508.81-3,139.26

Finding the Fourth Proportional to 3,693.30, 5,508.81 and 3,139.26

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Solution

The fourth proportional to 3,693.30, 5,508.81 and 3,139.26 is: 4,682.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.30 : 5,508.81 = 3,139.26 : x
  2. Step 2: Convert to fraction form
    3,693.30/5,508.81 = 3,139.26/x
  3. Step 3: Cross multiply
    3,693.30x = 5,508.81 × 3,139.26
  4. Step 4: Simplify right side
    3,693.30x = 17,293,566.22
  5. Step 5: Solve for x
    x = 17,293,566.22/3,693.30
  6. Step 6: Final answer
    x = 4,682.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.